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[IPV6]: inet6_dev on loopback should be kept until namespace stop. 

In the other case it will be destroyed when last address will be removed
from lo inside a namespace. This will break IPv6 in several places. The
most obvious one is ip6_dst_ifdown.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis V. Lunev 2008-04-03 13:31:53 -07:00 committed by David S. Miller
parent 439e23857a
commit eb86757931
1 changed files with 1 additions and 1 deletions
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2
net/ipv6/addrconf.c
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@ -2456,7 +2456,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
ASSERT_RTNL();
if (dev == init_net.loopback_dev && how == 1)
if ((dev->flags & IFF_LOOPBACK) && how == 1)
how = 0;
rt6_ifdown(dev);